CDB8421 Cirrus Logic Inc, CDB8421 Datasheet - Page 5

• Manufacturer Part Number: CDB8421
• Description: BOARD EVAL FOR CS8421
• Manufacturer: Cirrus Logic Inc

Specifications of CDB8421

• Main Purpose: Audio, Sample Rate Converter
• Embedded: No
• Utilized Ic / Part: CS8421, CS8406, CS8416
• Primary Attributes: Sample Rate Converter with Digital Audio Transmitter and Receiver
• Secondary Attributes: S/PDIF Interface
• Description/function: Audio DSPs
• Operating Supply Voltage: 3 V to 5 V
• Product: Audio Modules
• For Use With/related Products: CS8421
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1018

DS641DB3
Switch S2 controls the interface format of the CS8406 and the CS8421 output port. The func-
tions for switches S2[3:0] are detailed in Table 3.
Switch S3 controls the interface format of the CS8416 and the CS8421 input port. The func-
tions for switches S3[2:0] are detailed in Table 4.
S2[3:0]
S3[2:0]
0000
0001
0010
0100
0101
1000
1001
1010
0011
0110
1011
1100
1101
0111
1110
1111
000
001
010
100
101
011
110
Table 3. Switch S2, Serial Output Formats
Table 4. Switch S3, Serial Input Formats
CS8421 Output Configuration
CS8421 Output Configuration
Left Justified up to 32-bit Data
Right Justified 16-bit Data
Right Justified 20-bit Data
Right Justified 24-bit Data
Right Justified 32-bit Data
Right Justified 16-bit Data
Right Justified 20-bit Data
Right Justified 24-bit Data
Right Justified 32-bit Data
Left Justified 16-bit Data
Left Justified 20-bit Data
Left Justified 24-bit Data
Left Justified 32-bit Data
Left Justified 24-bit Data
TDM Mode, 16-bit Data
TDM Mode, 20-bit Data
TDM Mode, 24-bit Data
TDM Mode, 32-bit Data
I²S up to 32-bit Data
I²S 16-bit Data
I²S 20-bit Data
I²S 24-bit Data
I²S 32-bit Data
CDB8421
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